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Everything you need to know about buying, selling, and authenticating gold bullion.
The Mathematical Impossibility of Counterfeiting
A formal mathematical proof demonstrating that no counterfeit material can simultaneously spoof both acoustic resonance and electromagnetic damping under multi-modal verification.
How to Spot Fake Gold — The Complete Guide
A comprehensive guide covering every method used to detect counterfeit gold bullion, from simple weight tests to advanced eddy current analysis. Learn the tell-tale signs that separate real gold from sophisticated fakes.
Understanding Gold Purity: 22ct vs 24ct
Not all gold coins are created equal. Discover the practical differences between 22-carat and 24-carat gold, and how purity affects weight, density, and authentication readings.
Why Tungsten Is the Perfect Counterfeit Material
Tungsten matches gold in density almost exactly, making it the counterfeiter’s material of choice. Find out why traditional tests fail and what technology can catch it.
The Science Behind Eddy Current Testing
Eddy currents are induced loops of electrical current created by a changing magnetic field. Learn how this phenomenon is harnessed to authenticate gold non-destructively.
A Beginner’s Guide to Gold Bullion Investment
Thinking about buying your first gold coin? This guide covers everything from choosing the right coin to storing it safely and verifying its authenticity before purchase.